Even for amateur astronomers, Gemini is a rather straightforward constellation to see in the sky. It is situated northeast of the constellation Orion and between the constellations Taurus and Cancer. The best time to visit is in February. By April and May, the constellation can be seen in the west shortly after sunset.
The twins’ heads are represented by the brightest stars in the constellation, which are also named after Greek mythology’s Castor and Pollux, while the twins’ bodies are outlined by fainter stars. According to NASA, Pollux, a red giant star, is 33 light-years away from Earth, whereas Castor is 51 light-years away. (A light-year is the distance traveled by light in one year, which is approximately 6 trillion miles (9.6 trillion kilometers.) Castor has two partner stars, whereas Pollux has at least one huge planet around it.
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What is the current position of Gemini?
Most people only see two bright stars in the constellation Gemini Castor and Pollux, also known as the Gemini twins. These two celebrities aren’t identical twins. The hue of Pollux is brighter and more golden. Castor is a tad lighter and whiter. However, both stars are bright, and their proximity on the sky’s dome makes them stand out. People have imagined they looked like brother stars since the dawn of mankind.
Best viewing for this constellation
The months of January, February, and March are ideal for stargazing. At nightfall, Gemini is high in the east. Gemini reaches its peak point in the sky about 10 p.m. local time in early February. Around 9 p.m. in late February, the constellation is at its brightest. That is local time, or the time on your clock, regardless of where you are on the planet.
Until approximately May, Gemini is visible in the evening sky. Gemini lies low in the west at nightfall by late May and early June, and Gemini’s two brightest stars, Castor and Pollux, vanish into the sunset before the June 21 summer solstice. From roughly June 21 to July 20, the sun passes in front of Gemini once a year.
Myths and lore
Castor and Pollux were the offspring of a mortal mother, Leda, according to legend. Castor, the human son of Tyndareus, and Pollux, the immortal son of Zeus, were brothers. Castor and Pollux were joyously connected in soul, but their lives were torn apart by circumstance. When Castor was killed in battle, Pollux was heartbroken and implored Zeus to free him from his immortality chains. Pollux and Castor are reunited in the sky to this day, a testament to the redeeming power of sibling love, as Zeus accepted his request.
As a result, the Greek tale of Castor and Pollux explores the inherited duality of life, the eternal intertwining of death and immortality.
Here’s how to find Gemini from constellation Orion
If you look into the night sky in February, there’s a strong chance you’ll see the constellation Orion the Hunter. Orion is high in the south on February evenings in the Northern Hemisphere.
The Belt stars of Orion are a short, straight row of three medium-bright stars. Rigel, an extremely bright blue-white star, may be found below Orion’s Belt. Do you see it? Look above Orion’s Belt for Betelgeuse, a reddish star. Do you see what I mean? Castor and Pollux can be found by drawing an imaginary line from Rigel through Betelgeuse. Keep in mind that you’ll want to look for two bright stars that are obviously close together.
Here’s how to find constellation Gemini using the Big Dipper
The Big Dipper is an asterism, or a pattern of stars in the shape of a dipper. It is not a genuine constellation. On the sky’s dome, the Big Dipper is always pointed northward. Draw an imaginary line from the star Megrez to the star Merak diagonally through the bowl of the Big Dipper. You’re heading in the opposite direction of the Big Dipper’s handle. Castor and Pollux will be indicated by this line.
You can also use the moon to find Gemini.
Every month, the moon swings full circle through the zodiac constellations, passing through Gemini for a few days. Check EarthSky Tonight for posts showing the moon near Castor and Pollux on specific days, especially in the months of January, February, and March. The next time it happens will be on April 18 and 19, 2021.
Play around with Stellarium, an online planetarium application. It can tell you when the moon is in Gemini each month (except during those months when Gemini is behind the sun).
Spotting Sirius when Gemini is high in the sky
Gemini and Sirius, the brightest star in the night sky, reach their greatest peaks in the sky around the same time. The brightest stars in Gemini, Castor and Pollux, are practically overhead in middle latitudes in the Northern Hemisphere, while Sirius shines low in our southern sky. The opposite is true south of the equator: Sirius glows brightly while Gemini hangs low in the northern sky.
Bottom line: The greatest seasons to gaze for the constellation Gemini in the night sky are during the winter and spring. The brightest stars in Gemini, Castor and Pollux, are twin brothers from Greek and Roman mythology.
Where do I look for Gemini and Orion?
During the first few months of the year, the two brightest stars in Orion (a constellation that resembles a large hour glass) and the two brightest stars in Canis Major and Canis Minor (the “dog” stars) that follow Orion are the easiest to find. Then, around the same distance from the two brightest stars in Orion as the separation between the two brightest stars in Orion, travel northeast. After Capella and a few other stars, Pollux will be among the brightest stars in the sky. Castor and Pollux are then roughly two fingers apart at arm’s length from each other. Following the discovery of these two stars, the rest of the constellation forms a rectangle pointing toward Orion. One intriguing fact is that the two stars that make up Castor and Pollux’s heads, fittingly named Castor and Pollux, have extremely distinct characteristics. Pollux has been getting brighter and brighter for the last thousand years and is now the brightest star in the constellation. Castor is a complex star system made up of six different stars, while Pollux has been getting brighter and brighter for the last thousand years and is now the brightest star in the constellation.
When does Gemini appear?
Gemini is a northern constellation dominated by Castor and Pollux, the two brightest stars. It is visible throughout the northern winter months, peaking around New Year’s Eve at midnight.
The galactic plane and the ecliptic line both pass through this region of the sky: just after the June solstice, the Sun crosses the boundary from Taurus and remains in Gemini until late July.
The name ‘Gemini’ is Latin meaning twins and refers to the Greek gods Castor and Pollux.
Their mother was Leda, but their fathers were different. Castor was the son of Tyndareus, the Spartan ruler, while Pollux was Zeus’ son.
Castor was killed in a family fight with his cousins, but Pollux was an immortal demigod, according to tradition. Following his brother’s death, Zeus offered Pollux the option of sharing his immortality with him, and the two were flung into the sky for all eternity.
What is the distance between Earth and Gemini?
The Eskimo Nebula, the Medusa Nebula, the Jellyfish Nebula, the open cluster NGC 2158, and the neutron star Geminga are just a few of the deep-sky features seen in Gemini.
The Eskimo Nebula
The Eskimo Nebula, also known as the Clownface Nebula or Caldwell 39, is a bipolar double-shell planetary nebula in the constellation Gemini, located at a distance of around 6,520 light-years.
The Eskimo Nebula has a radius of 0.34 light-years with an apparent magnitude of 10.1. It can be seen with a modest telescope. William Herschel found this nebula in 1787.
The nebula is shaped like a human head. The outer gas that is expanding into space was previously part of a Sun-like star’s layers.
The Medusa Nebula
The Medusa Nebula, also known as Abell 21 or Sharpless 2-274, is a planetary nebula in Gemini that astronomer George O. Abell discovered in 1955.
The Medusa Nebula is around 1,500 light-years away, with an apparent magnitude of 15.99 and a length of roughly 4 light-years.
The Jellyfish Nebula
The Jellyfish Nebula, also known as IC 443 or Sharpless 248, is a galactic supernova remnant in Gemini, roughly 5,000 light-years from Earth, located near the star Propus/Eta Geminorum.
The Jellyfish Nebula is thought to be the relic of a supernova that happened between 3,000 and 30,000 years ago, and it is most likely what gave rise to the neutron star CXOU J061705.3+222127, which is the collapsed remnant of the stellar core.
The Jellyfish Nebula has an angular diameter of roughly 50 arcminutes / 70 light-years, and its interaction with the molecular clouds is one of its most prominent aspects.
Geminga
Geminga is a neutron star in the constellation Gemini that is about 815 light-years away from Earth. Geminga is thought to be the collapsed relic of a star core that occurred some 300,000 years ago as a result of a supernova explosion.
The apparent magnitude of Geminga is 22.5. It was the first unidentified gamma-ray source and the first example of a radio-quiet pulsar to be discovered.
NGC 2158
NGC 2158 is an open cluster in the constellation Gemini, located southwest of Messier 35. The age of this open cluster is estimated to be 2 billion years.
NGC 2158 is a galaxy that stretches for around 5 arcminutes and is more than 11,000 light-years away from us. It has a radius of roughly 8 light-years and an apparent magnitude of 8.6.
NGC 2129
NGC 2129 is an open cluster found inside the Milky Way’s Local Spiral arm, around 7,200 light-years distant from earth. This cluster is relatively new, estimated to be roughly 10 million years old.
NGC 2129 has an apparent magnitude of 6.7 and a radius of roughly 5.2 light-years. Two nearby B-type stars dominate the group.
NGC 2355
NGC 2355 is a very old open cluster, dating back over a billion years. It’s around 5,400 light-years away from us and 1,100 light-years above the Milky Way’s plane.
The cluster halo has an estimated angular extent of roughly 23 light-years, with a core radius of 2.3 light-years and a central component radius of 11 light-years.
The apparent magnitude of NGC 2355 is 9.7, and its overall apparent dimensions are 5 arcminutes.
What are the characteristics of Geminis?
What are the characteristics of Geminis? People born under the sign of Gemini are intellectual and have expressive looks. Their movements are usually fast and energetic. Because they’re a patchwork of multiple selves sewn together to form a coherent identity, their eyes are usually always two different colors.
Is Gemini visible in the southern hemisphere?
Gemini, the Twins, is visible from November to April in the Northern Hemisphere and from December to March in the Southern Hemisphere.
What’s the backstory to Gemini?
Castor and Pollux are the twins who make up the Gemini constellation. Castor was King Tyndarus’ earthly son, whereas Pollux was Zeus’ eternal son. Castor and Pollux, as identical twins, were indistinguishable in appearance and behavior. Pollux was a brilliant fighter and Castor was a great horseman. They traveled on the Argo with Jason and saved the ship from a violent storm. Pollux begged with Zeus to bring Castor back after he was killed in battle. Castor and Pollux were immortalized by Zeus if they spent half of their time on Earth and the other half among the stars in the heavens. When sailors spotted these two stars together since then, they felt their mission would be successful. Seeing merely one star, on the other hand, promised terrible luck.
In the southern hemisphere, where is the constellation Gemini?
At 12 a.m. on November 6, 2020, the graphic depicts the scene looking east from London. The moon will be three-quarters bright and will appear to be sideways, parallel to the horizon, as it sits right between the twins.
The constellation is one of the 12 zodiac constellations and one of the 48 constellations first reported by Ptolemy in the second century. Its name is derived from the Latin word for twins and refers to the classical mythological half-brothers Castor and Pollux. The constellation’s two brightest stars are named for the siblings.
The constellation is lower in the sky in the southern hemisphere. It will appear near the north-eastern horizon, heads-down.
What month does Gemini belong to?
Gemini is the third sign of the zodiac in astrology, and it governs the time period from May 21 to June 21. It is symbolized as a pair of twins (or in Egyptian astrology by a pair of goats and in Arabian astrology by a pair of peacocks). The twins have been linked to other famous pairings, like as the younger and elder Horus or Romulus and Remus, in addition to their identification as Castor and Pollux.